[TheForge] Power Hammer Dies... revisited

Fri Mar 14 10:42:00 2003

Dan, I would prefer the hardy hole to be part of the die for greater
versatility (imagined or real).

----- Original Message -----
From: "Dan Tull" <[email protected]>
To: <[email protected]>
Sent: Friday, March 14, 2003 10:19 AM
Subject: Re: [TheForge] Power Hammer Dies... revisited

>
> dan tull
> georgia
> abba, afc, S.C. psba, obg,sofa
> ----- Original Message -----
> From: "RW" <[email protected]>
> To: <[email protected]>
> Sent: Friday, March 14, 2003 10:11 AM
> Subject: [TheForge] Power Hammer Dies... revisited
>
>
>
> > The new dies will be welded to a mild steel plate which will be bolted
to
> > the anvil face.  My welder is AC only.  Do I need a DC welder to get a
> > reliable weld?
>
> No. Several rods work.
> .
> >
> > I can buy annealed H13 blanks from my local steel supplier for $110.
> > Cutting the square hole is about $100.  Heat treat is $95.  Would
welding
> > the annealed H13 to the plate and then heat treating, normalize the
> welding
> > stresses?
>
> Could you weld the hardy on the anvil , and not the die?
> Remember , H13 is air hardening... tough to normalize.
>
>
> > Would anyone prefer 4140 or 4340 over H13?  Why?  How would you handle
> these
> > in the above scenario...professional heat treat?
> >
>
> 4140 for the above reason.
> I wouldn't heat treat hot worktools.
>
>
> > Thanks in advance.  RW Swisher
> >
> >
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